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Finding the Fourth Proportional to 81,104.44, 111,923.02 and 45,295.08

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Solution

The fourth proportional to 81,104.44, 111,923.02 and 45,295.08 is: 62,506.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,104.44 : 111,923.02 = 45,295.08 : x
  2. Step 2: Convert to fraction form
    81,104.44/111,923.02 = 45,295.08/x
  3. Step 3: Cross multiply
    81,104.44x = 111,923.02 × 45,295.08
  4. Step 4: Simplify right side
    81,104.44x = 5,069,562,144.74
  5. Step 5: Solve for x
    x = 5,069,562,144.74/81,104.44
  6. Step 6: Final answer
    x = 62,506.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.